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Astronomy Practice Test

55 Questions  I  By Teenymonkey3
A practice test for 8th grade astronomy!

  
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Question Excerpt

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1.  The first part of this chart is a/an _____________.
2.  The second part is a/an __________.
3.  The third part is a/an __________.
4.  The fourth part is a/an __________.
5.  The fifth part is a/an __________.
6.  The sixth part is a/an __________.
7.  The seventh part is a/an __________.
8.  The eighth part is a/an __________.
9.  The ninth part is a/an __________.
10.  The tenth part is a/an __________.
11.  The eleventh part is a/an __________.
12.  Which side of the chart is for low mass stars?
A.
B.
C.
D.
13.  Which part of the chart is for high mass stars?
A.
B.
C.
D.
14.  As the protostar contracts, the core temperature reaches 10,000,000 degrees c, and ______ begins, causing it to become a star.
15.  What color is a low to medium-mass star?
A.
B.
16.  What color is a high-mass star?
A.
B.
17.  What two things to fusion create?
A.
B.
C.
D.
E.
18.  Stars expand because gravity balences out the energy production.
A.
B.
C.
19.  What is a hot and dense core of matter remains?
A.
B.
C.
D.
20.  What is a supernova?
A.
B.
21.  What does a white dwarf become when it stops glowing?
A.
B.
C.
22.  Often, a white dwarf will not cool quietly, it will have repeated explosions called __________.
23.  A high-mass star ends its cycle by becoming a...
A.
B.
C.
D.
24.  Compare and contrast the two types of telescopes.
25.  A radio telescope is a ______.
26.  What type of telescope makes the best large telescopes?
27.  What color star is our sun?
A.
B.
C.
D.
28.  What is the temperature of our sun? (in celcius of course)
A.
B.
C.
D.
29.  Coolest stars are 3,200 degrees and they are the color
30.  Hottest stars are 20,000 degrees and are
A.
B.
C.
D.
E.
31.  Describe apparent and actual motion.
32.  Circumpolar stars are
A.
B.
C.
D.
33.  How can we tell tgat stars are moving?
34.  Stars moving towards the earth have ________ shift because the wavelengths are smaller.
A.
B.
C.
D.
35.  Distances in space are measureid in light years which is _________ km/sec.
A.
B.
C.
D.
36.  It takes ____ minutes for light to get from the sun to our earth.
37.  The closest star to the earth is the Procima Centauri and the second closet is Sirius.
38.  Explain parallax.
39.  Name the two things that the visibility of a star depends on.
A.
B.
C.
D.
40.  How bright a star appears when viewed from earth is called it's __________.
41.  The dimmeststars have low # aooarebt magnitutes.
A.
B.
42.  The sun's apparent magnitude is ________.
43.  _____________ is how bright stars would appear if they were all the same distance frrom the earth.
44.  Is the sun's absolute magnitude more or less than it's apparent magnitude?
A.
B.
C.
D.
45.  In the H-R diagram that is attached, in what two ways are the stars classified?
A.
B.
C.
D.
46.  In the main sequence, the ________ increases as the temperature increases.
47.  Why are white dwarfs and supergiants exceptions to the main sequence?
48.  Put the types of light waves in order based on size and give a brief description of each.
49.  The instrument that separates visible light into its wavelengths is a
A.
B.
C.
50.  Red has the longest wavelength and _____ has the shortest.
51.  Each element, when heated, emites energy at a specific wavelengh. They only produce part of the sprectrum. This is called a
52.  Why do we care what colors we see through the spectroscope?
53.  What is inertia?
A.
B.
54.  Perihelion is the point in the earth;s orbit when it is furthest from the sun.
A.
B.
55.  Describe why we have seasons and the two things that this causes.
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